#main-con-ex{
  width: 10vw;
  height: calc(100vh - 150px);
  overflow: hidden;
  padding: 35px 40px;
  padding-bottom: 100px;
  margin: 0 auto;
  background-color: #ffffff;
  align-items: flex-start;
}
#main-con-ex > div:first-child{
  width: 20vw;
}
#main-con-ex > div:nth-child(2) {
  width: 290px;
}
#experiment-head{
  width: 100vw;
  margin: 0 auto;
  padding-left: 25px;
  font-weight: 600;
  color: #6b6b6b;
  font-size: 18px;
  margin-top: 40px;
  margin-bottom: 20px;
}
.error_msg{
  margin: 100px;
  text-align: center;
  font-size: 24px;
}
.head-tip{
  width: 10px;
  height: 30px;
  background-color: #ff9900;
  display: inline-block;
  margin-right: 15px;
}
#experiment-info{
  padding: 30px 20px;
  border: 1px solid #eeeeee;
  border-radius: 5px;
}
.avatar-name{
  display: flex;
}
.experiment-name{
  margin-left: 25px;
  height: 174px;
}
.user-count{
  height: 100px;
}
.experiment-name > p:nth-child(2){
  margin-top: 25px;
}
.experiment-name > div{
  margin-top: 70px;
}
.experiment-con-head{
  margin: 30px 0;
}
#experiment-intro, #experiment-desc, .vir-ins{
  padding: 30px 40px;
  border: 1px solid #eeeeee;
  border-radius: 5px;
  color: #989898; 
  font-size: 18px;
  line-height: 24px;
}
.error-div {
  width: 960px;
  height: 250px;
  background-color: rgba(0, 0, 0, 0.05);
  font-size: 28px;
  font-weight: 400;
  border-radius: 5px;
  color: #989898;
}

#buy-bar{
  width: 100%;
  position: fixed;
  bottom: 0;
}

#buy-bar > div{
  width: 1440px;
  height: 80px;
  background-color: #ffffff;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
}

#buy-bar > div > span{
  margin-right: 70px;
  display: block;
  background-color: #ff9900;
  padding: 20px 50px;
  border-radius: 5px;
  color: #eeeeee;
  cursor: pointer;
}
